Cita APA (7th ed.)

Matlins, A. L., Bonanno, A. C., & Crystal, J. (1990). Engagement & wedding rings: The definitive buying guide for people in love. GemStone Press.

Cita Chicago (17th ed.)

Matlins, Antoinette Leonard, Antonio C. Bonanno, i Jane Crystal. Engagement & Wedding Rings: The Definitive Buying Guide for People in Love. South Woodstock, VT: GemStone Press, 1990.

Cita MLA (9th ed.)

Matlins, Antoinette Leonard, et al. Engagement & Wedding Rings: The Definitive Buying Guide for People in Love. GemStone Press, 1990.